
Magnatone Baby M-80 tube amp with input from Billy Gibbons
Magnatone Baby M-80 has been developed with significant input from none other than Billy Gibbons of ZZ Top fame.
Read the guide →Magnatone traces back to the Dickerson Musical Instrument Company, founded in Southern California in the late 1930s, which changed hands twice before taking the Magnatone name around 1946. The brand built its reputation on a genuine innovation: a true pitch-shifting vibrato circuit, patented in 1957, that used varistors rather than the simpler tremolo circuits every competitor relied on — a sound distinctive enough that it's often mistaken for a much more elaborate effect. Production wound down by the mid-1970s, and the name sat unused until Ted Kornblum, whose family had run St. Louis Music Supply since 1922, discovered the trademark had lapsed and relaunched Magnatone as a hand-wired boutique amp maker in St. Louis in 2013. New amp launches and artist collaborations, including work with Billy Gibbons and Slash, are what we cover most. Here's what we've written.

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True pitch-shifting vibrato. In the 1950s and 60s Magnatone produced amplifiers with an F.M. Vibrato circuit that was distinct in both sound and design from the tremolo circuits Fender and others used, and it was used by players including Buddy Holly and Lonnie Mack.
The company was founded in 1937 and produced amplifiers and guitars until it closed in 1969. It traces back further, to the Dickerson Musical Instrument Company founded by Delbert J. Dickerson in southern California in the late 1930s, which passed through Gaston Fator's hands before Art Duhamell bought it around 1946 and renamed it Magnatone.
Yes, since 2013. The name was revived by Ted Kornblum to produce both new amplifier models and designs that pay tribute to the original era, and it is run from St. Louis. The modern company is the reason Magnatone appears in current gear coverage at all.
Tremolo modulates volume; vibrato modulates pitch. Most amps labelled 'vibrato' — Fender's included — actually produce tremolo. Magnatone's varistor-based circuit genuinely shifted pitch, which is why its amps sound different from everything else with a wobble on the front panel.